Refactoring for later, when padata helpers need to use the main thread's
mm.
Signed-off-by: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>
---
drivers/vfio/vfio_iommu_type1.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 0b4f7c174c7a..26bb2d9b698b 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -649,10 +649,10 @@ static int vfio_wait_all_valid(struct vfio_iommu *iommu)
*/
static long vfio_pin_pages_remote(struct vfio_dma *dma, unsigned long vaddr,
long npage, unsigned long *pfn_base,
- unsigned long limit, struct vfio_batch *batch)
+ unsigned long limit, struct vfio_batch *batch,
+ struct mm_struct *mm)
{
unsigned long pfn;
- struct mm_struct *mm = current->mm;
long ret, pinned = 0, lock_acct = 0;
bool rsvd;
dma_addr_t iova = vaddr - dma->vaddr + dma->iova;
@@ -1500,7 +1500,7 @@ static int vfio_pin_map_dma(struct vfio_iommu *iommu, struct vfio_dma *dma,
/* Pin a contiguous chunk of memory */
npage = vfio_pin_pages_remote(dma, vaddr + dma->size,
size >> PAGE_SHIFT, &pfn, limit,
- &batch);
+ &batch, current->mm);
if (npage <= 0) {
WARN_ON(!npage);
ret = (int)npage;
@@ -1763,7 +1763,8 @@ static int vfio_iommu_replay(struct vfio_iommu *iommu,
npage = vfio_pin_pages_remote(dma, vaddr,
n >> PAGE_SHIFT,
&pfn, limit,
- &batch);
+ &batch,
+ current->mm);
if (npage <= 0) {
WARN_ON(!npage);
ret = (int)npage;
--
2.34.1
